Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 30%

23:56

16:57

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:53, Set: 19:28, Transit: 13:10. Moon - Rise: 23:56, Set: 16:57. Civil Dark: 20:01 - 06:21. Nautical Dark: 20:40 - 05:42. Astro Dark: 21:22 - 05:00

Total Clouds (% Sky Obscured)

96
93
93
85
83
82
49
53
67
64
70
64
69
71
63
84
100
100
90
100
100
100
98
100

Low Clouds (% Sky Obscured)

75
73
64
59
80
71
49
53
66
64
70
64
69
68
63
65
65
71
72
62
64
60
49
53

Medium Clouds (% Sky Obscured)

27
31
25
34
3
15
0
0
0
0
0
0
0
0
0
0
0
0
3
55
81
41
47
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
23
31
78
100
100
84
100
100
100
95
100

ISS Passover

Visibility (miles)

8
8
8
8
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
65
51
52
39
22
17
14
1
3
1
10
3
2
2
4
6
13
5
3
7
16
21
26

Precipitation Amount (mm)

0.7
0.4
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
22
23
26
27
27
25
23
22
21
19
18
17
17
16
14
14
14
13
12
10
11
11
12

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
13
13
12
12
12
12
12
11
11
11
11
11
10
11
11
12
13

Feels Like (°C)

8
8
7
7
7
7
8
7
7
6
7
6
6
7
6
6
6
6
6
6
7
8
9
9

Dew Point (°C)

12
12
11
11
11
12
11
11
10
10
10
10
10
9
9
9
9
8
8
7
9
9
10
9

Relative Humidity (%)

84
84
83
83
84
84
83
86
86
86
86
86
86
84
86
85
85
84
83
81
85
86
84
76

Pressure (mb)

1010
1010
1010
1010
1011
1011
1012
1012
1013
1014
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1020
1020
1021

Ozone (du)

306
310
317
315
313
314
314
314
311
311
311
308
306
303
300
299
297
296
296
296
295
292
289
288

Tuesday 16

Waning Crescent 20%

01:15

17:37

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:55, Set: 19:26, Transit: 13:10. Moon - Rise: 01:15, Set: 17:37. Civil Dark: 19:59 - 06:22. Nautical Dark: 20:38 - 05:43. Astro Dark: 21:19 - 05:02

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
98
100
100
100
99
99
100
99
93
100
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
63
53
81
92
81
74
74
75
100
76
94
82
76
72
100
92
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

68
69
79
65
65
61
63
90
92
93
95
92
93
94
71
52
60
82
82
98
98
82
57
42

High Clouds (% Sky Obscured)

100
100
100
85
47
99
92
100
100
100
46
32
89
82
60
47
65
35
57
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
4
9
2
2
1
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
48
51
61
13
0
0
0
0
0
0
46
49

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

25
19
15
31
33
26
15
27
32
36
51
61
37
49
59
69
62
34
25
44
58
34
10
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0.4
0.3
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

14
14
14
13
13
13
12
11
10
9
10
12
14
14
16
17
19
18
19
20
19
18
18
17

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
14
13
14
14
14
14
14
14
15
15
15

Feels Like (°C)

9
9
9
9
9
10
9
10
10
11
11
12
12
12
11
11
11
11
10
10
10
11
12
12

Dew Point (°C)

8
8
7
6
7
8
9
10
10
11
11
12
13
13
12
13
14
14
14
14
14
14
15
15

Relative Humidity (%)

72
68
65
62
65
72
75
80
86
92
92
95
95
95
95
96
98
96
96
96
96
96
98
98

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

285
283
281
278
276
274
272
270
268
268
268
266
265
264
263
262
261
260
261
261
261
261
262
263

Wednesday 17

Waning Crescent 12%

02:37

18:04

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:56, Set: 19:24, Transit: 13:09. Moon - Rise: 02:37, Set: 18:04. Civil Dark: 19:57 - 06:24. Nautical Dark: 20:36 - 05:45. Astro Dark: 21:16 - 05:04

Total Clouds (% Sky Obscured)

99
98
100
100
100
97
93
92
95
93
96
97
98
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
91
87
82
83
82
79
78
69
61
66
63
70
70
80
91
100
98
96
95
96
98
100
100

Medium Clouds (% Sky Obscured)

40
60
50
54
68
66
52
49
59
52
51
45
49
57
55
58
60
77
80
79
84
75
70
65

High Clouds (% Sky Obscured)

1
2
67
62
54
21
2
0
0
13
20
35
50
0
0
0
0
4
6
9
18
24
32
22

ISS Passover

Visibility (miles)

0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

56
51
45
73
75
66
71
75
68
79
88
64
77
91
98
98
98
98
98
98
98
98
98
98

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
14
13
9
7
13
2
6
6
3
14
7
14
4
10
11
21
28
38
48
53
59
65
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.4

Wind Speed/Direction (mph)

18
17
17
18
17
17
16
15
14
13
12
12
12
12
11
10
10
10
8
7
5
7
9
12

Chance of Frost

Temperature (°C)

16
16
17
18
17
16
16
15
15
14
14
14
14
14
14
14
14
14
14
14
13
14
15
16

Feels Like (°C)

12
13
13
14
13
13
13
13
12
11
12
12
12
12
13
13
13
13
11
12
11
12
13
14

Dew Point (°C)

16
16
16
17
16
16
15
15
15
14
14
14
14
14
14
14
14
14
13
14
13
14
15
15

Relative Humidity (%)

98
96
96
95
96
96
96
98
98
98
98
98
98
98
98
98
100
100
96
100
98
98
98
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

263
265
266
264
264
264
264
263
262
263
263
263
263
263
262
261
261
262
262
261
260
260
262
261

Thursday 18

Waning Crescent 12%

03:58

18:24

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:58, Set: 19:22, Transit: 13:09. Moon - Rise: 03:58, Set: 18:24. Civil Dark: 19:54 - 06:25. Nautical Dark: 20:33 - 05:47. Astro Dark: 21:14 - 05:06

Total Clouds (% Sky Obscured)

100
98
97
98
97
97
95
97
95
94
92
90
88
90
93
92
90
88
89
91
95
98
98
100

Low Clouds (% Sky Obscured)

100
98
96
92
88
86
88
90
88
86
84
83
82
82
84
86
88
86
86
85
85
84
84
84

Medium Clouds (% Sky Obscured)

65
65
54
39
29
39
53
57
54
36
30
21
15
17
27
35
48
48
46
44
45
59
49
32

High Clouds (% Sky Obscured)

12
3
14
34
48
44
33
34
49
57
24
16
30
54
49
54
52
45
42
37
55
85
75
98

ISS Passover

Visibility (miles)

0
0
4
9
9
9
6
1
1
0
0
0
2
5
0
0
1
1
0
0
0
0
0
0

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
84
80
70
53
45
34
11
13
16
18
14
11
9
17
18
14
12
10
14
12
7
7
7

Precipitation Amount (mm)

0.5
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
15
15
15
14
12
11
10
10
10
10
11
11
10
10
10
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

16
17
18
18
18
18
17
17
16
16
16
16
16
15
15
15
15
15
15
15
15
15
16
16

Feels Like (°C)

14
14
15
14
15
16
15
15
15
15
14
14
14
14
14
14
14
14
15
14
14
15
15
15

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

95
93
92
89
89
90
92
95
96
100
98
98
96
96
98
98
96
98
98
98
100
96
95
93

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

260
259
258
258
258
257
258
258
258
259
261
263
262
261
260
260
261
261
261
261
261
261
262
261

Friday 19

Waning Crescent 6%

05:14

18:39

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:00, Set: 19:19, Transit: 13:09. Moon - Rise: 05:14, Set: 18:39. Civil Dark: 19:52 - 06:27. Nautical Dark: 20:31 - 05:48. Astro Dark: 21:11 - 05:08

Total Clouds (% Sky Obscured)

100
100
95
88
78
85
90
94
100
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
80
79
79
78
81
83
86
79
79
78
79
78
79
73
66
59
62
66
71
61
51
43
54

Medium Clouds (% Sky Obscured)

18
2
2
1
0
9
12
18
6
5
1
7
20
33
49
53
60
69
78
92
91
90
88
73

High Clouds (% Sky Obscured)

89
94
73
37
5
7
15
25
99
97
93
95
98
100
100
100
100
100
100
100
100
100
100
70

ISS Passover

Visibility (miles)

0
0
1
1
9
9
9
6
9
9
9
9
9
9
9
7
5
3
4
5
7
7
8
9

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
2
12
6
11
9
7
0
1
0
0
1
2
0
2
2
2
4
6
5
8
8
8
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
9
8
9
7
5
4
3
3
3
4
4
5
5
4
4
4
5
5
6
7
8

Chance of Frost

Temperature (°C)

17
17
18
17
18
18
17
16
16
15
15
14
14
14
14
14
14
14
14
14
14
15
16
16

Feels Like (°C)

17
17
18
18
19
18
17
17
17
16
17
16
17
17
16
14
14
14
14
14
14
14
15
15

Dew Point (°C)

17
16
17
16
16
16
16
15
15
14
14
13
13
13
13
13
13
14
14
14
14
14
14
14

Relative Humidity (%)

96
95
95
93
88
86
92
93
96
96
96
96
95
95
95
95
96
96
96
96
96
92
90
89

Pressure (mb)

1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

262
261
261
261
262
263
264
264
265
265
265
265
266
267
268
268
269
270
271
273
274
274
273
272

Saturday 20

Waning Crescent 2%

06:28

18:51

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:01, Set: 19:17, Transit: 13:08. Moon - Rise: 06:28, Set: 18:51. Civil Dark: 19:50 - 06:29. Nautical Dark: 20:28 - 05:50. Astro Dark: 21:09 - 05:10

Total Clouds (% Sky Obscured)

100
99
94
89
83
77
72
64
62
53
52
52
50
50
67
83
100
100
100
100
96
88
75
76

Low Clouds (% Sky Obscured)

61
69
56
42
34
51
61
64
59
53
52
49
43
42
49
58
61
61
61
63
61
64
66
72

Medium Clouds (% Sky Obscured)

58
43
43
43
49
36
33
24
27
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

37
5
5
5
5
5
4
4
3
3
3
10
16
22
44
71
90
85
80
75
67
55
48
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
3
0
3
6
9
9
9
9
9
8
8
8
8
8
7
7
7

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
43
20
16
13
18
26
36
34
28
22
18
17
19
24
29
37
38
38
40
43
42
41
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
12
15
14
14
16
14
13
12
11
11
10
10
10
10
10
9
9
8
8
9
10
13
14

Chance of Frost

Temperature (°C)

17
17
17
17
17
16
16
15
15
14
13
13
12
12
12
12
12
12
12
12
12
12
13
13

Feels Like (°C)

16
15
16
18
16
16
16
15
15
12
12
12
11
11
11
9
9
9
8
8
8
8
8
8

Dew Point (°C)

14
13
13
14
14
14
14
15
15
13
12
12
11
11
11
11
11
11
10
11
10
11
11
11

Relative Humidity (%)

85
79
76
81
83
87
92
95
100
96
95
93
93
93
92
93
93
95
92
92
90
90
89
89

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1011
1011
1011

Ozone (du)

271
271
270
271
273
274
275
277
279
280
281
282
283
284
285
286
287
288
290
292
294
300
305
311

Sunday 21

New Moon 0%

07:40

19:02

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:03, Set: 19:15, Transit: 13:08. Moon - Rise: 07:40, Set: 19:02. Civil Dark: 19:47 - 06:30. Nautical Dark: 20:26 - 05:52. Astro Dark: 21:06 - 05:12

Total Clouds (% Sky Obscured)

80
82
80
77
72
56
33
18
28
37
50
47
44
43

Low Clouds (% Sky Obscured)

77
82
78
72
67
56
33
18
27
27
30
29
32
33

Medium Clouds (% Sky Obscured)

0
0
8
15
19
13
8
2
5
8
10
10
10
9

High Clouds (% Sky Obscured)

18
1
1
1
0
0
0
0
3
12
26
22
18
14

ISS Passover

Visibility (miles)

6
6
6
6
6
6
7
8
9
9
8
8
8
8

Fog (%)

98
98
98
98
98
98
98
98
98
98
98
98
98
98

Precipitation Type

None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

49
53
54
56
60
64
62
58
51
42
32
39
40
33

Precipitation Amount (mm)

0
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
15
14
14
12
10
8
8
7
7
7
7

Chance of Frost

Temperature (°C)

13
14
14
14
14
14
14
13
12
11
11
10
10
10

Feels Like (°C)

9
9
10
10
10
10
11
11
11
9
9
10
10
9

Dew Point (°C)

11
11
11
11
11
11
10
10
10
9
9
10
9
9

Relative Humidity (%)

86
84
83
80
80
78
80
84
86
87
91
95
95
95

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

309
308
307
308
309
311
309
308
306
305
304
303
303
303

Forecast for Postbridge, Devon, United Kingdom (50.59,-3.91)

Generated: 15/09/25 11:51:37. Forecast: 15/09/25 to 21/09/25. Timezone: UTC+1.00